# https://docs.microsoft.com/zh-CN/powershell/module/microsoft.powershell.core/about/about_arrays?view=powershell-7.2
# 数组子表达式运算符的语法
# @(...)

$a = @("Hello World")
$a.Count

$b = @()
$b.Count
notepad.exe
$p = @(Get-Process Notepad)
$p

